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Finding the Fourth Proportional to 537.48, 740.88 and 350.64

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Solution

The fourth proportional to 537.48, 740.88 and 350.64 is: 483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.48 : 740.88 = 350.64 : x
  2. Step 2: Convert to fraction form
    537.48/740.88 = 350.64/x
  3. Step 3: Cross multiply
    537.48x = 740.88 × 350.64
  4. Step 4: Simplify right side
    537.48x = 259,782.16
  5. Step 5: Solve for x
    x = 259,782.16/537.48
  6. Step 6: Final answer
    x = 483.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.